<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>04_元素阴影</title>
    <style>
        div{
            width: 300px;
            height: 100px;
            /*长方形高度的一般可以切胶囊形*/
            border-radius: 50px;
            background-color: #62b5ec;
            box-shadow:  5px 5px 5px 5px gray;

        }
    </style>
</head>
<body>
<div></div>
</body>
</html>